VN Textbox can now be any size
This commit is contained in:
@ -1,195 +1,195 @@
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// Copyright (c) 2022 Dominic Masters
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//
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// This software is released under the MIT License.
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// https://opensource.org/licenses/MIT
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#include "TrueTypeFont.hpp"
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#ifndef STB_TRUETYPE_IMPLEMENTATION
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#define STB_TRUETYPE_IMPLEMENTATION
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#include <stb_truetype.h>
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#endif
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using namespace Dawn;
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void TrueTypeFont::bakeQuad(truetypequad_t *quad,float_t *x,float_t *y,char c){
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stbtt_GetBakedQuad(
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this->characterData,
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this->texture.getWidth(), this->texture.getHeight(),
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((int32_t)c) - TRUETYPE_FIRST_CHAR,
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x, y, quad,
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TRUETYPE_FILL_MODE
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);
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}
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float_t TrueTypeFont::getScale(float_t scale) {
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return scale / this->fontSize;
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}
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float_t TrueTypeFont::getSpaceSize(float_t fontSize) {
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return mathRoundFloat(this->fontSize * 0.3f);
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}
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float_t TrueTypeFont::getInitialLineHeight(float_t fontSize) {
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return 8.0f;
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}
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void TrueTypeFont::buffer(
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std::string text,
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float_t fontSize,
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float_t maxWidth,
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Mesh &mesh,
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struct FontMeasure *info
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) {
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auto stringLength = text.length();
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if(stringLength == 0) {
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info->length = 0;
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info->realLength = 0;
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info->lines.clear();
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info->height = 0;
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info->width = 0;
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info->height = 0.0f;
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info->lineHeight = 0.0f;
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mesh.createBuffers(0, 0);
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return;
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}
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auto quads = new truetypequad_t[stringLength];
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// Get the font scale
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auto scale = this->getScale(fontSize);
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// Adjust the max width to match the scale, and allow "no max width".
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maxWidth = maxWidth == -1 ? 9999999 : maxWidth * (1 / scale);
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// Which index in the original text var is the current word from
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int32_t wordStart = 0;
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// Setup Scales
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info->length = 0;
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info->realLength = 0;
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info->lines.clear();
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info->lineHeight = this->getLineHeight(fontSize) * scale;
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// Prepare the line counters
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info->addLine(0, 0);
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// Reset Dimensions
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info->width = info->height = 0;
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// Setup the initial loop state, and X/Y coords for the quad.
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int32_t i = 0;
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float_t x = 0;
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float_t y = this->getInitialLineHeight(fontSize);
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float_t wordX = 0;
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char c;
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while(c = text[i++]) {
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info->length++;
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// When space, start of new word about to begin
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if(c == FONT_SPACE) {
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x += this->getSpaceSize(fontSize);
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// Did this space cause a newline?
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if(x > maxWidth) {
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info->addLine(info->realLength, 0);
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y += this->getLineHeight(fontSize);
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x = 0;
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}
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wordX = x;
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wordStart = info->realLength;
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continue;
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}
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// New line.
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if(c == FONT_NEWLINE) {
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info->addLine(info->realLength, 0);
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wordStart = info->realLength;
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y += this->getLineHeight(fontSize);
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x = 0;
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continue;
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}
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// Generate the quad.
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auto quad = quads + info->realLength;
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this->bakeQuad(quad, &x, &y, c);
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// Now measure the width of the line (take the right side of that quad)
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if(quad->x1 > maxWidth) {
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// We've exceeded the edge, go back to the start of the word and newline.
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x = quad->x1 - wordX;
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for(auto j = wordStart; j <= info->realLength; j++) {
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quad = quads + j;
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quad->x0 -= wordX;
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quad->x1 -= wordX;
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quad->y0 += this->getLineHeight(fontSize);
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quad->y1 += this->getLineHeight(fontSize);
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}
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// Go back to the previous (still current) line and remove the chars
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info->lines[info->lines.size() - 1].length -= info->realLength - wordStart;
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// Next line begins with this word
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y += this->getLineHeight(fontSize);
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info->addLine(wordStart, info->realLength-wordStart);
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wordX = 0;
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}
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info->lines[info->lines.size() - 1].length++;
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info->realLength++;
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}
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// Initialize primitive
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mesh.createBuffers(
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QUAD_VERTICE_COUNT * info->realLength,
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QUAD_INDICE_COUNT * info->realLength
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);
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for(auto j = 0; j < info->realLength; j++) {
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auto quad = quads + j;
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// Scale the Quad
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if(scale != 1.0) {
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quad->x0 *= scale;
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quad->x1 *= scale;
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quad->y0 *= scale;
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quad->y1 *= scale;
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}
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// Update the dimensions.
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info->width = mathMax<float_t>(info->width, quad->x1);
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info->height = mathMax<float_t>(info->height, quad->y1);
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// Buffer the quad.
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QuadMesh::bufferQuadMesh(&mesh,
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glm::vec2(quad->x0, quad->y0), glm::vec2(quad->s0, quad->t0),
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glm::vec2(quad->x1, quad->y1), glm::vec2(quad->s1, quad->t1),
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j * QUAD_VERTICE_COUNT, j * QUAD_INDICE_COUNT
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);
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}
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delete quads;
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}
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Texture & TrueTypeFont::getTexture() {
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return this->texture;
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}
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void TrueTypeFont::draw(Mesh &mesh, int32_t startchar, int32_t length) {
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mesh.draw(
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MESH_DRAW_MODE_TRIANGLES,
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startchar * QUAD_INDICE_COUNT,
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length == -1 ? length : length * QUAD_INDICE_COUNT
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);
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}
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float_t TrueTypeFont::getLineHeight(float_t fontSize) {
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return 13.0f;
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}
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float_t TrueTypeFont::getDefaultFontSize() {
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return (float_t)this->fontSize;
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}
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// Copyright (c) 2022 Dominic Masters
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//
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// This software is released under the MIT License.
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// https://opensource.org/licenses/MIT
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#include "TrueTypeFont.hpp"
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#ifndef STB_TRUETYPE_IMPLEMENTATION
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#define STB_TRUETYPE_IMPLEMENTATION
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#include <stb_truetype.h>
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#endif
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using namespace Dawn;
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void TrueTypeFont::bakeQuad(truetypequad_t *quad,float_t *x,float_t *y,char c){
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stbtt_GetBakedQuad(
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this->characterData,
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this->texture.getWidth(), this->texture.getHeight(),
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((int32_t)c) - TRUETYPE_FIRST_CHAR,
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x, y, quad,
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TRUETYPE_FILL_MODE
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);
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}
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float_t TrueTypeFont::getScale(float_t scale) {
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return scale / this->fontSize;
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}
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float_t TrueTypeFont::getSpaceSize(float_t fontSize) {
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return mathRoundFloat(this->fontSize * 0.3f);
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}
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float_t TrueTypeFont::getInitialLineHeight(float_t fontSize) {
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return 8.0f;
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}
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void TrueTypeFont::buffer(
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std::string text,
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float_t fontSize,
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float_t maxWidth,
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Mesh &mesh,
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struct FontMeasure *info
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) {
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auto stringLength = text.length();
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if(stringLength == 0) {
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info->length = 0;
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info->realLength = 0;
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info->lines.clear();
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info->height = 0;
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info->width = 0;
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info->height = 0.0f;
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info->lineHeight = 0.0f;
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mesh.createBuffers(0, 0);
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return;
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}
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auto quads = new truetypequad_t[stringLength];
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// Get the font scale
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auto scale = this->getScale(fontSize);
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// Adjust the max width to match the scale, and allow "no max width".
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maxWidth = maxWidth == -1 ? 9999999 : maxWidth * (1 / scale);
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// Which index in the original text var is the current word from
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int32_t wordStart = 0;
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// Setup Scales
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info->length = 0;
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info->realLength = 0;
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info->lines.clear();
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info->lineHeight = this->getLineHeight(fontSize) * scale;
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// Prepare the line counters
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info->addLine(0, 0);
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// Reset Dimensions
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info->width = info->height = 0;
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// Setup the initial loop state, and X/Y coords for the quad.
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int32_t i = 0;
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float_t x = 0;
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float_t y = this->getInitialLineHeight(fontSize);
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float_t wordX = 0;
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char c;
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while(c = text[i++]) {
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info->length++;
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// When space, start of new word about to begin
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if(c == FONT_SPACE) {
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x += this->getSpaceSize(fontSize);
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// Did this space cause a newline?
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if(x > maxWidth) {
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info->addLine(info->realLength, 0);
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y += this->getLineHeight(fontSize);
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x = 0;
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}
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wordX = x;
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wordStart = info->realLength;
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continue;
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}
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// New line.
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if(c == FONT_NEWLINE) {
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info->addLine(info->realLength, 0);
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wordStart = info->realLength;
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y += this->getLineHeight(fontSize);
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x = 0;
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continue;
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}
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// Generate the quad.
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auto quad = quads + info->realLength;
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this->bakeQuad(quad, &x, &y, c);
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// Now measure the width of the line (take the right side of that quad)
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if(quad->x1 > maxWidth) {
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// We've exceeded the edge, go back to the start of the word and newline.
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x = quad->x1 - wordX;
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for(auto j = wordStart; j <= info->realLength; j++) {
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quad = quads + j;
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quad->x0 -= wordX;
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quad->x1 -= wordX;
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quad->y0 += this->getLineHeight(fontSize);
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quad->y1 += this->getLineHeight(fontSize);
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}
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// Go back to the previous (still current) line and remove the chars
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info->lines[info->lines.size() - 1].length -= info->realLength - wordStart;
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// Next line begins with this word
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y += this->getLineHeight(fontSize);
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info->addLine(wordStart, info->realLength-wordStart);
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wordX = 0;
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}
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info->lines[info->lines.size() - 1].length++;
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info->realLength++;
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}
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// Initialize primitive
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mesh.createBuffers(
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QUAD_VERTICE_COUNT * info->realLength,
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QUAD_INDICE_COUNT * info->realLength
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);
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for(auto j = 0; j < info->realLength; j++) {
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auto quad = quads + j;
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// Scale the Quad
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if(scale != 1.0) {
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quad->x0 *= scale;
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quad->x1 *= scale;
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quad->y0 *= scale;
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quad->y1 *= scale;
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}
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// Update the dimensions.
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info->width = mathMax<float_t>(info->width, quad->x1);
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info->height = mathMax<float_t>(info->height, quad->y1);
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// Buffer the quad.
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QuadMesh::bufferQuadMesh(&mesh,
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glm::vec2(quad->x0, quad->y0), glm::vec2(quad->s0, quad->t0),
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glm::vec2(quad->x1, quad->y1), glm::vec2(quad->s1, quad->t1),
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j * QUAD_VERTICE_COUNT, j * QUAD_INDICE_COUNT
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);
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}
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delete quads;
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}
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Texture & TrueTypeFont::getTexture() {
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return this->texture;
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}
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void TrueTypeFont::draw(Mesh &mesh, int32_t startchar, int32_t length) {
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mesh.draw(
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MESH_DRAW_MODE_TRIANGLES,
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startchar * QUAD_INDICE_COUNT,
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length == -1 ? length : length * QUAD_INDICE_COUNT
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);
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}
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float_t TrueTypeFont::getLineHeight(float_t fontSize) {
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return 13.0f;
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}
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float_t TrueTypeFont::getDefaultFontSize() {
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return (float_t)this->fontSize;
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}
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@ -1,83 +1,83 @@
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// Copyright (c) 2022 Dominic Masters
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//
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// This software is released under the MIT License.
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// https://opensource.org/licenses/MIT
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#pragma once
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#include "Font.hpp"
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namespace Dawn {
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/** Which character (ASCII) to start the font from */
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#define TRUETYPE_FIRST_CHAR 32
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/** How many characters (after the first char) to generate */
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#define TRUETYPE_NUM_CHARS 96
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/** Refer to STBTT docs for OpenGL Fill Mode v d3d Fill Modes */
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#define TRUETYPE_FILL_MODE 0
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typedef stbtt_bakedchar truetypechar_t;
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typedef stbtt_aligned_quad truetypequad_t;
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class TrueTypeFont : public Font {
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protected:
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/**
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* Calculate the quad information for a given character.
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*
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* @param font Font to get the character from.
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* @param quad Pointer to the quad to store the quad information in.
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* @param x Pointer to the X position for the quad.
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* @param y Pointer to the Y position for the quad.
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* @param c Character to get the quad and position information for.
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*/
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void bakeQuad(truetypequad_t *quad, float_t *x, float_t *y, char c);
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/**
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* Returns the font scale to use for rendering your desired font size at a
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* font size that is different than the precompiled font size for this
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* true type font. For example, let's say you render your font size at 36
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* when you are precompiling it, but rather than creating a new font just
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* to add a size 24, you can instead use this method to get the scale to
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* use to downscale your font to match.
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*
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* @param font TrueType font to get the scale of.
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* @param fontSize Font size you desire.
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* @return The scale used to get the font size that will match.
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*/
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float_t getScale(float_t fontSize);
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/**
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* Returns the size of a space character for a given font.
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*
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* @param fontSize Font size of the font to get the space size for.
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* @return The size of the space character.
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*/
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float_t getSpaceSize(float_t fontSize);
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/**
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* Returns the initial line height of a font.
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*
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* @param fontSize Font size for the font to get the line height of.
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* @return The line height initial value.
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*/
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float_t getInitialLineHeight(float_t fontSize);
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public:
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Texture texture;
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int32_t fontSize;
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truetypechar_t characterData[TRUETYPE_NUM_CHARS];
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void buffer(
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std::string text,
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float_t fontSize,
|
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float_t maxWidth,
|
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Mesh &mesh,
|
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struct FontMeasure *info
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) override;
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Texture & getTexture() override;
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void draw(Mesh &mesh, int32_t startCharacter, int32_t length) override;
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float_t getLineHeight(float_t fontSize) override;
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float_t getDefaultFontSize() override;
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};
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// Copyright (c) 2022 Dominic Masters
|
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//
|
||||
// This software is released under the MIT License.
|
||||
// https://opensource.org/licenses/MIT
|
||||
|
||||
#pragma once
|
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#include "Font.hpp"
|
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|
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namespace Dawn {
|
||||
/** Which character (ASCII) to start the font from */
|
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#define TRUETYPE_FIRST_CHAR 32
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|
||||
/** How many characters (after the first char) to generate */
|
||||
#define TRUETYPE_NUM_CHARS 96
|
||||
|
||||
/** Refer to STBTT docs for OpenGL Fill Mode v d3d Fill Modes */
|
||||
#define TRUETYPE_FILL_MODE 0
|
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|
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typedef stbtt_bakedchar truetypechar_t;
|
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typedef stbtt_aligned_quad truetypequad_t;
|
||||
|
||||
class TrueTypeFont : public Font {
|
||||
protected:
|
||||
/**
|
||||
* Calculate the quad information for a given character.
|
||||
*
|
||||
* @param font Font to get the character from.
|
||||
* @param quad Pointer to the quad to store the quad information in.
|
||||
* @param x Pointer to the X position for the quad.
|
||||
* @param y Pointer to the Y position for the quad.
|
||||
* @param c Character to get the quad and position information for.
|
||||
*/
|
||||
void bakeQuad(truetypequad_t *quad, float_t *x, float_t *y, char c);
|
||||
|
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/**
|
||||
* Returns the font scale to use for rendering your desired font size at a
|
||||
* font size that is different than the precompiled font size for this
|
||||
* true type font. For example, let's say you render your font size at 36
|
||||
* when you are precompiling it, but rather than creating a new font just
|
||||
* to add a size 24, you can instead use this method to get the scale to
|
||||
* use to downscale your font to match.
|
||||
*
|
||||
* @param font TrueType font to get the scale of.
|
||||
* @param fontSize Font size you desire.
|
||||
* @return The scale used to get the font size that will match.
|
||||
*/
|
||||
float_t getScale(float_t fontSize);
|
||||
|
||||
/**
|
||||
* Returns the size of a space character for a given font.
|
||||
*
|
||||
* @param fontSize Font size of the font to get the space size for.
|
||||
* @return The size of the space character.
|
||||
*/
|
||||
float_t getSpaceSize(float_t fontSize);
|
||||
|
||||
/**
|
||||
* Returns the initial line height of a font.
|
||||
*
|
||||
* @param fontSize Font size for the font to get the line height of.
|
||||
* @return The line height initial value.
|
||||
*/
|
||||
float_t getInitialLineHeight(float_t fontSize);
|
||||
|
||||
public:
|
||||
Texture texture;
|
||||
int32_t fontSize;
|
||||
truetypechar_t characterData[TRUETYPE_NUM_CHARS];
|
||||
|
||||
void buffer(
|
||||
std::string text,
|
||||
float_t fontSize,
|
||||
float_t maxWidth,
|
||||
Mesh &mesh,
|
||||
struct FontMeasure *info
|
||||
) override;
|
||||
|
||||
Texture & getTexture() override;
|
||||
void draw(Mesh &mesh, int32_t startCharacter, int32_t length) override;
|
||||
float_t getLineHeight(float_t fontSize) override;
|
||||
float_t getDefaultFontSize() override;
|
||||
};
|
||||
}
|
||||
@ -1,115 +1,115 @@
|
||||
// Copyright (c) 2022 Dominic Masters
|
||||
//
|
||||
// This software is released under the MIT License.
|
||||
// https://opensource.org/licenses/MIT
|
||||
|
||||
#pragma once
|
||||
#include "display/Texture.hpp"
|
||||
|
||||
namespace Dawn {
|
||||
class Material;
|
||||
|
||||
enum ShaderParameterType {
|
||||
SHADER_PARAMETER_TYPE_MATRIX,
|
||||
SHADER_PARAMETER_TYPE_BOOLEAN,
|
||||
SHADER_PARAMETER_TYPE_COLOR,
|
||||
SHADER_PARAMETER_TYPE_VECTOR3,
|
||||
SHADER_PARAMETER_TYPE_TEXTURE,
|
||||
SHADER_PARAMETER_TYPE_FLOAT
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
class IShader {
|
||||
public:
|
||||
/**
|
||||
* Attaches the supplied shader as the current shader.
|
||||
*/
|
||||
virtual void bind() = 0;
|
||||
|
||||
/**
|
||||
* Requested by the Material to set the default parameters of the shader.
|
||||
* Each parameter really should have a default value set so that there is
|
||||
* no nullptr's or other issues.
|
||||
*
|
||||
* @param material Material to set the default parameters on to.
|
||||
*/
|
||||
virtual void setDefaultParameters(Material &material) = 0;
|
||||
|
||||
/**
|
||||
* Requested by the render pipeline (typically) to set global level (once
|
||||
* per frame) parameters.
|
||||
*
|
||||
* @param projection Projection matrix of the current viewport.
|
||||
* @param view View matrix of the current viewport.
|
||||
*/
|
||||
virtual void setGlobalParameters(
|
||||
glm::mat4 projection,
|
||||
glm::mat4 view
|
||||
) = 0;
|
||||
|
||||
/**
|
||||
* Requested by the render pipeline (typically) to set mesh-level params.
|
||||
* This may be performed multiple times per frame.
|
||||
*
|
||||
* @param position Matrix of the position of the mesh.
|
||||
*/
|
||||
virtual void setMeshParameters(glm::mat4 position) = 0;
|
||||
|
||||
/**
|
||||
* Retreives the list of all parameters that the shader supports. This
|
||||
* should not include the GLOBAL shader parameters (listed above) since
|
||||
* those will be modified by the engine directly.
|
||||
*
|
||||
* @return Key-Value-Pair of Shader parameters and their type.
|
||||
*/
|
||||
virtual std::map<T, enum ShaderParameterType> getParameters() = 0;
|
||||
|
||||
/**
|
||||
* Set's a specific shader parameter to a matrix.
|
||||
*
|
||||
* @param parameter parameter on the shader to set.
|
||||
* @param matrix Matrix to apply.
|
||||
*/
|
||||
virtual void setMatrix(T parameter, glm::mat4 matrix) = 0;
|
||||
|
||||
/**
|
||||
* Attaches a boolean to a shader.
|
||||
*
|
||||
* @param parameter parameter to set.
|
||||
* @param value Value to set.
|
||||
*/
|
||||
virtual void setBoolean(T parameter, bool_t value) = 0;
|
||||
|
||||
/**
|
||||
* Set a color on to the shader.
|
||||
*
|
||||
* @param parameter parameter to set the color to.
|
||||
* @param color Color to set.
|
||||
*/
|
||||
virtual void setColor(T parameter, struct Color color) = 0;
|
||||
|
||||
/**
|
||||
* Set a 3D vector on to the shader.
|
||||
*
|
||||
* @param parameter parameter to set the vector to.
|
||||
* @param vector Vector to set.
|
||||
*/
|
||||
virtual void setVector3(T parameter, glm::vec3 vector) = 0;
|
||||
|
||||
/**
|
||||
* Attaches a texture to the currently bound shader.
|
||||
*
|
||||
* @param parameter parameter to set the texture on to.
|
||||
* @param texture Texture to bind to the parameter.
|
||||
*/
|
||||
virtual void setTexture(T parameter, Texture *texture) = 0;
|
||||
|
||||
/**
|
||||
* Sets a floating point value to the shader.
|
||||
*
|
||||
* @param parameter Paramater to set the float ont o.
|
||||
* @param float Float to bind.
|
||||
*/
|
||||
virtual void setFloat(T parameter, float_t value) = 0;
|
||||
};
|
||||
// Copyright (c) 2022 Dominic Masters
|
||||
//
|
||||
// This software is released under the MIT License.
|
||||
// https://opensource.org/licenses/MIT
|
||||
|
||||
#pragma once
|
||||
#include "display/Texture.hpp"
|
||||
|
||||
namespace Dawn {
|
||||
class Material;
|
||||
|
||||
enum ShaderParameterType {
|
||||
SHADER_PARAMETER_TYPE_MATRIX,
|
||||
SHADER_PARAMETER_TYPE_BOOLEAN,
|
||||
SHADER_PARAMETER_TYPE_COLOR,
|
||||
SHADER_PARAMETER_TYPE_VECTOR3,
|
||||
SHADER_PARAMETER_TYPE_TEXTURE,
|
||||
SHADER_PARAMETER_TYPE_FLOAT
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
class IShader {
|
||||
public:
|
||||
/**
|
||||
* Attaches the supplied shader as the current shader.
|
||||
*/
|
||||
virtual void bind() = 0;
|
||||
|
||||
/**
|
||||
* Requested by the Material to set the default parameters of the shader.
|
||||
* Each parameter really should have a default value set so that there is
|
||||
* no nullptr's or other issues.
|
||||
*
|
||||
* @param material Material to set the default parameters on to.
|
||||
*/
|
||||
virtual void setDefaultParameters(Material &material) = 0;
|
||||
|
||||
/**
|
||||
* Requested by the render pipeline (typically) to set global level (once
|
||||
* per frame) parameters.
|
||||
*
|
||||
* @param projection Projection matrix of the current viewport.
|
||||
* @param view View matrix of the current viewport.
|
||||
*/
|
||||
virtual void setGlobalParameters(
|
||||
glm::mat4 projection,
|
||||
glm::mat4 view
|
||||
) = 0;
|
||||
|
||||
/**
|
||||
* Requested by the render pipeline (typically) to set mesh-level params.
|
||||
* This may be performed multiple times per frame.
|
||||
*
|
||||
* @param position Matrix of the position of the mesh.
|
||||
*/
|
||||
virtual void setMeshParameters(glm::mat4 position) = 0;
|
||||
|
||||
/**
|
||||
* Retreives the list of all parameters that the shader supports. This
|
||||
* should not include the GLOBAL shader parameters (listed above) since
|
||||
* those will be modified by the engine directly.
|
||||
*
|
||||
* @return Key-Value-Pair of Shader parameters and their type.
|
||||
*/
|
||||
virtual std::map<T, enum ShaderParameterType> getParameters() = 0;
|
||||
|
||||
/**
|
||||
* Set's a specific shader parameter to a matrix.
|
||||
*
|
||||
* @param parameter parameter on the shader to set.
|
||||
* @param matrix Matrix to apply.
|
||||
*/
|
||||
virtual void setMatrix(T parameter, glm::mat4 matrix) = 0;
|
||||
|
||||
/**
|
||||
* Attaches a boolean to a shader.
|
||||
*
|
||||
* @param parameter parameter to set.
|
||||
* @param value Value to set.
|
||||
*/
|
||||
virtual void setBoolean(T parameter, bool_t value) = 0;
|
||||
|
||||
/**
|
||||
* Set a color on to the shader.
|
||||
*
|
||||
* @param parameter parameter to set the color to.
|
||||
* @param color Color to set.
|
||||
*/
|
||||
virtual void setColor(T parameter, struct Color color) = 0;
|
||||
|
||||
/**
|
||||
* Set a 3D vector on to the shader.
|
||||
*
|
||||
* @param parameter parameter to set the vector to.
|
||||
* @param vector Vector to set.
|
||||
*/
|
||||
virtual void setVector3(T parameter, glm::vec3 vector) = 0;
|
||||
|
||||
/**
|
||||
* Attaches a texture to the currently bound shader.
|
||||
*
|
||||
* @param parameter parameter to set the texture on to.
|
||||
* @param texture Texture to bind to the parameter.
|
||||
*/
|
||||
virtual void setTexture(T parameter, Texture *texture) = 0;
|
||||
|
||||
/**
|
||||
* Sets a floating point value to the shader.
|
||||
*
|
||||
* @param parameter Paramater to set the float ont o.
|
||||
* @param Float to bind.
|
||||
*/
|
||||
virtual void setFloat(T parameter, float_t value) = 0;
|
||||
};
|
||||
}
|
||||
Reference in New Issue
Block a user