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Font & Text Changes.

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`Gui::loadFont()` now needs a C2D_Font parameter & path. If you're using this, I suggest to update the function to match this. If you're using `Gui::loadFont()` to load the SystemFont, I suggest to remove that, since `Gui::init()` loads it now.

All the Text Functions can now optional use the C2D_Font parameter to use a specific font. (Uses SystemFont if nullptr.)

`Gui::unloadFont()` now needs a C2D_Font parameter to unload it.
This commit is contained in:
StackZ
2020-05-21 18:17:07 +02:00
parent 4dc2426fa5
commit f0dca7c784
2 changed files with 108 additions and 37 deletions
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gui.cpp
+93 -27
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@@ -62,23 +62,20 @@ Result Gui::init(void) {
Bottom = C2D_CreateScreenTarget(GFX_BOTTOM, GFX_LEFT);
// Load Textbuffer.
TextBuf = C2D_TextBufNew(4096);
Font = C2D_FontLoadSystem(CFG_REGION_USA); // Load System font.
return 0;
}
// Load a Font.
Result Gui::loadFont(bool sysFont, const char* Path) {
if (sysFont) {
Font = C2D_FontLoadSystem(CFG_REGION_USA);
} else {
if (access(Path, F_OK) == 0) Font = C2D_FontLoad(Path); // Only load if found.
}
Result Gui::loadFont(C2D_Font &fnt, const char* Path) {
if (access(Path, F_OK) == 0) fnt = C2D_FontLoad(Path); // Only load if found.
return 0;
}
// Unload a Font.
Result Gui::unloadFont() {
if (Font != nullptr) {
C2D_FontFree(Font); // Make sure to only unload if not nullptr.
Result Gui::unloadFont(C2D_Font &fnt) {
if (fnt != nullptr) {
C2D_FontFree(fnt); // Make sure to only unload if not nullptr.
}
return 0;
}
@@ -103,67 +100,136 @@ void Gui::exit(void) {
}
// Draw a Centered String.
void Gui::DrawStringCentered(float x, float y, float size, u32 color, std::string Text, int maxWidth, int maxHeight) {
void Gui::DrawStringCentered(float x, float y, float size, u32 color, std::string Text, int maxWidth, int maxHeight, C2D_Font fnt) {
float lineHeight, widthScale;
lineHeight = Gui::GetStringHeight(size, " ");
// Check for the lineHeight.
if (fnt != nullptr) {
lineHeight = Gui::GetStringHeight(size, " ", fnt);
} else {
lineHeight = Gui::GetStringHeight(size, " ");
}
int line = 0;
while(Text.find('\n') != Text.npos) {
if (maxWidth == 0) {
widthScale = Gui::GetStringWidth(size, Text.substr(0, Text.find('\n')));
// Do the widthScale.
if (fnt != nullptr) {
widthScale = Gui::GetStringWidth(size, Text.substr(0, Text.find('\n')), fnt);
} else {
widthScale = Gui::GetStringWidth(size, Text.substr(0, Text.find('\n')));
}
} else {
widthScale = std::min((float)maxWidth, Gui::GetStringWidth(size, Text.substr(0, Text.find('\n'))));
// Do the widthScale 2.
if (fnt != nullptr) {
widthScale = std::min((float)maxWidth, Gui::GetStringWidth(size, Text.substr(0, Text.find('\n')), fnt));
} else {
widthScale = std::min((float)maxWidth, Gui::GetStringWidth(size, Text.substr(0, Text.find('\n'))));
}
}
Gui::DrawString((currentScreen ? 200 : 160)+x-(widthScale/2), y+(lineHeight*line), size, color, Text.substr(0, Text.find('\n')), maxWidth, maxHeight);
if (fnt != nullptr) {
Gui::DrawString((currentScreen ? 200 : 160)+x-(widthScale/2), y+(lineHeight*line), size, color, Text.substr(0, Text.find('\n')), maxWidth, maxHeight, fnt);
} else {
Gui::DrawString((currentScreen ? 200 : 160)+x-(widthScale/2), y+(lineHeight*line), size, color, Text.substr(0, Text.find('\n')), maxWidth, maxHeight);
}
Text = Text.substr(Text.find('\n')+1);
line++;
}
if (maxWidth == 0) {
widthScale = Gui::GetStringWidth(size, Text.substr(0, Text.find('\n')));
// Do the next WidthScale.
if (fnt != nullptr) {
widthScale = Gui::GetStringWidth(size, Text.substr(0, Text.find('\n')), fnt);
} else {
widthScale = Gui::GetStringWidth(size, Text.substr(0, Text.find('\n')));
}
} else {
widthScale = std::min((float)maxWidth, Gui::GetStringWidth(size, Text.substr(0, Text.find('\n'))));
// And again.
if (fnt != nullptr) {
widthScale = std::min((float)maxWidth, Gui::GetStringWidth(size, Text.substr(0, Text.find('\n')), fnt));
} else {
widthScale = std::min((float)maxWidth, Gui::GetStringWidth(size, Text.substr(0, Text.find('\n'))));
}
}
if (fnt != nullptr) {
Gui::DrawString((currentScreen ? 200 : 160)+x-(widthScale/2), y+(lineHeight*line), size, color, Text.substr(0, Text.find('\n')), maxWidth, maxHeight, fnt);
} else {
Gui::DrawString((currentScreen ? 200 : 160)+x-(widthScale/2), y+(lineHeight*line), size, color, Text.substr(0, Text.find('\n')), maxWidth, maxHeight);
}
Gui::DrawString((currentScreen ? 200 : 160)+x-(widthScale/2), y+(lineHeight*line), size, color, Text.substr(0, Text.find('\n')), maxWidth, maxHeight);
}
// Draw String or Text.
void Gui::DrawString(float x, float y, float size, u32 color, std::string Text, int maxWidth, int maxHeight) {
void Gui::DrawString(float x, float y, float size, u32 color, std::string Text, int maxWidth, int maxHeight, C2D_Font fnt) {
C2D_Text c2d_text;
C2D_TextFontParse(&c2d_text, Font, TextBuf, Text.c_str());
if (fnt != nullptr) {
C2D_TextFontParse(&c2d_text, fnt, TextBuf, Text.c_str());
} else {
C2D_TextFontParse(&c2d_text, Font, TextBuf, Text.c_str());
}
C2D_TextOptimize(&c2d_text);
float heightScale;
if (maxHeight == 0) {
heightScale = size;
} else {
heightScale = std::min(size, size*(maxHeight/Gui::GetStringHeight(size, Text)));
if (fnt != nullptr) {
heightScale = std::min(size, size*(maxHeight/Gui::GetStringHeight(size, Text, fnt)));
} else {
heightScale = std::min(size, size*(maxHeight/Gui::GetStringHeight(size, Text)));
}
}
if (maxWidth == 0) {
C2D_DrawText(&c2d_text, C2D_WithColor, x, y, 0.5f, size, heightScale, color);
} else {
C2D_DrawText(&c2d_text, C2D_WithColor, x, y, 0.5f, std::min(size, size*(maxWidth/Gui::GetStringWidth(size, Text))), heightScale, color);
if (fnt != nullptr) {
C2D_DrawText(&c2d_text, C2D_WithColor, x, y, 0.5f, std::min(size, size*(maxWidth/Gui::GetStringWidth(size, Text, fnt))), heightScale, color);
} else {
C2D_DrawText(&c2d_text, C2D_WithColor, x, y, 0.5f, std::min(size, size*(maxWidth/Gui::GetStringWidth(size, Text))), heightScale, color);
}
}
}
// Get String or Text Width.
float Gui::GetStringWidth(float size, std::string Text) {
float Gui::GetStringWidth(float size, std::string Text, C2D_Font fnt) {
float width = 0;
GetStringSize(size, &width, NULL, Text);
if (fnt != nullptr) {
GetStringSize(size, &width, NULL, Text, fnt);
} else {
GetStringSize(size, &width, NULL, Text);
}
return width;
}
// Get String or Text Size.
void Gui::GetStringSize(float size, float *width, float *height, std::string Text) {
void Gui::GetStringSize(float size, float *width, float *height, std::string Text, C2D_Font fnt) {
C2D_Text c2d_text;
C2D_TextFontParse(&c2d_text, Font, TextBuf, Text.c_str());
if (fnt != nullptr) {
C2D_TextFontParse(&c2d_text, fnt, TextBuf, Text.c_str());
} else {
C2D_TextFontParse(&c2d_text, Font, TextBuf, Text.c_str());
}
C2D_TextGetDimensions(&c2d_text, size, size, width, height);
}
// Get String or Text Height.
float Gui::GetStringHeight(float size, std::string Text) {
float Gui::GetStringHeight(float size, std::string Text, C2D_Font fnt) {
float height = 0;
GetStringSize(size, NULL, &height, Text.c_str());
if (fnt != nullptr) {
GetStringSize(size, NULL, &height, Text.c_str(), fnt);
} else {
GetStringSize(size, NULL, &height, Text.c_str());
}
return height;
}