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REVIEWED: Glyphs

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This commit is contained in:
Ray 2021-09-02 00:35:55 +02:00
parent fa79ae8a3d
commit 59e7275464
2 changed files with 26 additions and 35 deletions
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41
examples/text/text_draw_3d.c
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@ -454,16 +454,16 @@ void DrawTextCodepoint3D(Font font, int codepoint, Vector3 position, float fontS
// Character destination rectangle on screen
// NOTE: We consider charsPadding on drawing
position.x += (float)(font.chars[index].offsetX - font.charsPadding)/(float)font.baseSize*scale;
position.z += (float)(font.chars[index].offsetY - font.charsPadding)/(float)font.baseSize*scale;
position.x += (float)(font.glyphs[index].offsetX - font.glyphPadding)/(float)font.baseSize*scale;
position.z += (float)(font.glyphs[index].offsetY - font.glyphPadding)/(float)font.baseSize*scale;
// Character source rectangle from font texture atlas
// NOTE: We consider chars padding when drawing, it could be required for outline/glow shader effects
Rectangle srcRec = { font.recs[index].x - (float)font.charsPadding, font.recs[index].y - (float)font.charsPadding,
font.recs[index].width + 2.0f*font.charsPadding, font.recs[index].height + 2.0f*font.charsPadding };
Rectangle srcRec = { font.recs[index].x - (float)font.glyphPadding, font.recs[index].y - (float)font.glyphPadding,
font.recs[index].width + 2.0f*font.glyphPadding, font.recs[index].height + 2.0f*font.glyphPadding };
float width = (float)(font.recs[index].width + 2.0f*font.charsPadding)/(float)font.baseSize*scale;
float height = (float)(font.recs[index].height + 2.0f*font.charsPadding)/(float)font.baseSize*scale;
float width = (float)(font.recs[index].width + 2.0f*font.glyphPadding)/(float)font.baseSize*scale;
float height = (float)(font.recs[index].height + 2.0f*font.glyphPadding)/(float)font.baseSize*scale;
if (font.texture.id > 0)
{
@ -477,16 +477,11 @@ void DrawTextCodepoint3D(Font font, int codepoint, Vector3 position, float fontS
const float tw = (srcRec.x+srcRec.width)/font.texture.width;
const float th = (srcRec.y+srcRec.height)/font.texture.height;
if (SHOW_LETTER_BOUNDRY)
DrawCubeWiresV((Vector3){ position.x + width/2, position.y, position.z + height/2}, (Vector3){ width, LETTER_BOUNDRY_SIZE, height }, LETTER_BOUNDRY_COLOR);
if (SHOW_LETTER_BOUNDRY) DrawCubeWiresV((Vector3){ position.x + width/2, position.y, position.z + height/2}, (Vector3){ width, LETTER_BOUNDRY_SIZE, height }, LETTER_BOUNDRY_COLOR);
#if defined(RAYLIB_NEW_RLGL)
rlCheckRenderBatchLimit(4 + 4*backface);
rlSetTexture(font.texture.id);
#else
if (rlCheckBufferLimit(4 + 4*backface)) rlglDraw();
rlEnableTexture(font.texture.id);
#endif
rlPushMatrix();
rlTranslatef(position.x, position.y, position.z);
@ -512,11 +507,7 @@ void DrawTextCodepoint3D(Font font, int codepoint, Vector3 position, float fontS
rlEnd();
rlPopMatrix();
#if defined(RAYLIB_NEW_RLGL)
rlSetTexture(0);
#else
rlDisableTexture();
#endif
}
}
@ -554,8 +545,8 @@ void DrawText3D(Font font, const char *text, Vector3 position, float fontSize, f
DrawTextCodepoint3D(font, codepoint, (Vector3){ position.x + textOffsetX, position.y, position.z + textOffsetY }, fontSize, backface, tint);
}
if (font.chars[index].advanceX == 0) textOffsetX += (float)(font.recs[index].width + fontSpacing)/(float)font.baseSize*scale;
else textOffsetX += (float)(font.chars[index].advanceX + fontSpacing)/(float)font.baseSize*scale;
if (font.glyphs[index].advanceX == 0) textOffsetX += (float)(font.recs[index].width + fontSpacing)/(float)font.baseSize*scale;
else textOffsetX += (float)(font.glyphs[index].advanceX + fontSpacing)/(float)font.baseSize*scale;
}
i += codepointByteCount; // Move text bytes counter to next codepoint
@ -592,8 +583,8 @@ Vector3 MeasureText3D(Font font, const char* text, float fontSize, float fontSpa
if (letter != '\n')
{
if (font.chars[index].advanceX != 0) textWidth += (font.chars[index].advanceX+fontSpacing)/(float)font.baseSize*scale;
else textWidth += (font.recs[index].width + font.chars[index].offsetX)/(float)font.baseSize*scale;
if (font.glyphs[index].advanceX != 0) textWidth += (font.glyphs[index].advanceX+fontSpacing)/(float)font.baseSize*scale;
else textWidth += (font.recs[index].width + font.glyphs[index].offsetX)/(float)font.baseSize*scale;
}
else
{
@ -670,8 +661,8 @@ void DrawTextWave3D(Font font, const char *text, Vector3 position, float fontSiz
DrawTextCodepoint3D(font, codepoint, (Vector3){ pos.x + textOffsetX, pos.y, pos.z + textOffsetY }, fontSize, backface, tint);
}
if (font.chars[index].advanceX == 0) textOffsetX += (float)(font.recs[index].width + fontSpacing)/(float)font.baseSize*scale;
else textOffsetX += (float)(font.chars[index].advanceX + fontSpacing)/(float)font.baseSize*scale;
if (font.glyphs[index].advanceX == 0) textOffsetX += (float)(font.recs[index].width + fontSpacing)/(float)font.baseSize*scale;
else textOffsetX += (float)(font.glyphs[index].advanceX + fontSpacing)/(float)font.baseSize*scale;
}
i += codepointByteCount; // Move text bytes counter to next codepoint
@ -714,8 +705,8 @@ Vector3 MeasureTextWave3D(Font font, const char* text, float fontSize, float fon
}
else
{
if (font.chars[index].advanceX != 0) textWidth += (font.chars[index].advanceX+fontSpacing)/(float)font.baseSize*scale;
else textWidth += (font.recs[index].width + font.chars[index].offsetX)/(float)font.baseSize*scale;
if (font.glyphs[index].advanceX != 0) textWidth += (font.glyphs[index].advanceX+fontSpacing)/(float)font.baseSize*scale;
else textWidth += (font.recs[index].width + font.glyphs[index].offsetX)/(float)font.baseSize*scale;
}
}
else

20
examples/text/text_font_sdf.c
View File

@ -39,24 +39,24 @@ int main(void)
// Default font generation from TTF font
Font fontDefault = { 0 };
fontDefault.baseSize = 16;
fontDefault.charsCount = 95;
fontDefault.glyphCount = 95;
// Loading font data from memory data
// Parameters > font size: 16, no chars array provided (0), chars count: 95 (autogenerate chars array)
fontDefault.chars = LoadFontData(fileData, fileSize, 16, 0, 95, FONT_DEFAULT);
// Parameters > chars count: 95, font size: 16, chars padding in image: 4 px, pack method: 0 (default)
Image atlas = GenImageFontAtlas(fontDefault.chars, &fontDefault.recs, 95, 16, 4, 0);
// Parameters > font size: 16, no glyphs array provided (0), glyphs count: 95 (autogenerate chars array)
fontDefault.glyphs = LoadFontData(fileData, fileSize, 16, 0, 95, FONT_DEFAULT);
// Parameters > glyphs count: 95, font size: 16, glyphs padding in image: 4 px, pack method: 0 (default)
Image atlas = GenImageFontAtlas(fontDefault.glyphs, &fontDefault.recs, 95, 16, 4, 0);
fontDefault.texture = LoadTextureFromImage(atlas);
UnloadImage(atlas);
// SDF font generation from TTF font
Font fontSDF = { 0 };
fontSDF.baseSize = 16;
fontSDF.charsCount = 95;
// Parameters > font size: 16, no chars array provided (0), chars count: 0 (defaults to 95)
fontSDF.chars = LoadFontData(fileData, fileSize, 16, 0, 0, FONT_SDF);
// Parameters > chars count: 95, font size: 16, chars padding in image: 0 px, pack method: 1 (Skyline algorythm)
atlas = GenImageFontAtlas(fontSDF.chars, &fontSDF.recs, 95, 16, 0, 1);
fontSDF.glyphCount = 95;
// Parameters > font size: 16, no glyphs array provided (0), glyphs count: 0 (defaults to 95)
fontSDF.glyphs = LoadFontData(fileData, fileSize, 16, 0, 0, FONT_SDF);
// Parameters > glyphs count: 95, font size: 16, glyphs padding in image: 0 px, pack method: 1 (Skyline algorythm)
atlas = GenImageFontAtlas(fontSDF.glyphs, &fontSDF.recs, 95, 16, 0, 1);
fontSDF.texture = LoadTextureFromImage(atlas);
UnloadImage(atlas);