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Introduce Supersampling Anti-Aliasing

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This changes GuiText::internatRenderingScale to int32_t as it doesn't make much sense to have floating point SSAA values. Also you might want to check if the entered value is valid instead of lazy setting it

Signed-off-by: Thomas Rohloff <v10lator@myway.de>
This commit is contained in:
Thomas Rohloff 2020-05-15 11:12:16 +02:00
parent f3f369029c
commit fea73ae1d3
3 changed files with 21 additions and 13 deletions
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13
include/gui/GuiText.h
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@ -29,12 +29,12 @@ public:
//!\param t Text
//!\param s Font size
//!\param c Font color
GuiText(const char * t, int32_t s, const glm::vec4 & c);
GuiText(const char * t, int32_t s, const glm::vec4 & c, int32_t SSAA);
//!\overload
//!\param t Text
//!\param s Font size
//!\param c Font color
GuiText(const wchar_t * t, int32_t s, const glm::vec4 & c);
GuiText(const wchar_t * t, int32_t s, const glm::vec4 & c, int32_t SSAA);
//!\overload
//!\Assumes SetPresets() has been called to setup preferred text attributes
//!\param t Text
@ -53,8 +53,11 @@ public:
//!\param w Maximum width of texture image (for text wrapping)
//!\param wrap Wrapmode when w>0
//!\param a Text alignment
static void setPresets(int32_t sz, const glm::vec4 & c, int32_t w, int32_t a);
static void setPresets(int32_t sz, const glm::vec4 & c, int32_t w, int32_t a, int32_t SSAA);
static void setPresetFont(FreeTypeGX *font);
//!Sets Supersampling Anti-Aliasing
//!\param SSAA Valid values are: 1, 2, 4, 8, 16, 32
void setSSAA(int32_t SSAA);
//!Sets the font size
//!\param s Font size
void setFontSize(int32_t s);
@ -118,7 +121,7 @@ protected:
static FreeTypeGX * presentFont;
static int32_t presetSize;
static int32_t presetMaxWidth;
static float presetInternalRenderingScale;
static int32_t presetInternalRenderingScale;
static int32_t presetAlignment;
static GX2ColorF32 presetColor;
@ -149,7 +152,7 @@ protected:
float blurGlowIntensity;
float blurAlpha;
glm::vec4 blurGlowColor;
float internalRenderingScale;
int32_t internalRenderingScale;
};
#endif

2
source/gui/GuiSelectBox.cpp
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@ -160,7 +160,7 @@ void GuiSelectBox::Init(std::map<std::string,std::string> values, int32_t valueI
valueButtons[i].valueButtonHighlightedImg = new GuiImage(valueHighlightedImageData);
valueButtons[i].valueButton = new GuiButton(valueButtons[i].valueButtonImg->getWidth() * imgScale, valueButtons[i].valueButtonImg->getHeight() * imgScale);
valueButtons[i].valueButtonText = new GuiText(itr->first.c_str(),32,glm::vec4(1.0f, 1.0f, 1.0f, 1.0f));
valueButtons[i].valueButtonText = new GuiText(itr->first.c_str(),32,glm::vec4(1.0f, 1.0f, 1.0f, 1.0f), 1);
valueButtons[i].valueButtonText->setMaxWidth(valueButtons[i].valueButtonImg->getWidth() * imgScale - 20.0f, GuiText::WRAP);
valueButtons[i].valueButtonText->setPosition(0, 0);

19
source/gui/GuiText.cpp
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@ -20,7 +20,7 @@
FreeTypeGX * GuiText::presentFont = NULL;
int32_t GuiText::presetSize = 28;
float GuiText::presetInternalRenderingScale = 1.0f;
int32_t GuiText::presetInternalRenderingScale = 1;
int32_t GuiText::presetMaxWidth = 0xFFFF;
int32_t GuiText::presetAlignment = ALIGN_CENTER | ALIGN_MIDDLE;
GX2ColorF32 GuiText::presetColor = (GX2ColorF32) {
@ -57,7 +57,7 @@ GuiText::GuiText() {
internalRenderingScale = presetInternalRenderingScale;
}
GuiText::GuiText(const char * t, int32_t s, const glm::vec4 & c) {
GuiText::GuiText(const char * t, int32_t s, const glm::vec4 & c, int32_t SSAA) {
text = NULL;
size = s;
currentSize = size;
@ -76,7 +76,7 @@ GuiText::GuiText(const char * t, int32_t s, const glm::vec4 & c) {
blurGlowIntensity = 0.0f;
blurAlpha = 0.0f;
blurGlowColor = glm::vec4(0.0f);
internalRenderingScale = presetInternalRenderingScale;
internalRenderingScale = SSAA;
if(t) {
text = FreeTypeGX::charToWideChar(t);
@ -87,7 +87,7 @@ GuiText::GuiText(const char * t, int32_t s, const glm::vec4 & c) {
}
}
GuiText::GuiText(const wchar_t * t, int32_t s, const glm::vec4 & c) {
GuiText::GuiText(const wchar_t * t, int32_t s, const glm::vec4 & c, int32_t SSAA) {
text = NULL;
size = s;
currentSize = size;
@ -106,7 +106,7 @@ GuiText::GuiText(const wchar_t * t, int32_t s, const glm::vec4 & c) {
blurGlowIntensity = 0.0f;
blurAlpha = 0.0f;
blurGlowColor = glm::vec4(0.0f);
internalRenderingScale = presetInternalRenderingScale;
internalRenderingScale = SSAA;
if(t) {
text = new (std::nothrow) wchar_t[wcslen(t)+1];
@ -233,19 +233,24 @@ void GuiText::clearDynamicText() {
textDynWidth.clear();
}
void GuiText::setPresets(int32_t sz, const glm::vec4 & c, int32_t w, int32_t a) {
void GuiText::setPresets(int32_t sz, const glm::vec4 & c, int32_t w, int32_t a, int32_t SSAA) {
presetSize = sz;
presetColor = (GX2ColorF32) {
(float)c.r / 255.0f, (float)c.g / 255.0f, (float)c.b / 255.0f, (float)c.a / 255.0f
};
presetMaxWidth = w;
presetAlignment = a;
presetInternalRenderingScale = SSAA;
}
void GuiText::setPresetFont(FreeTypeGX *f) {
presentFont = f;
}
void GuiText::setSSAA(int32_t SSAA) {
internalRenderingScale = SSAA;
}
void GuiText::setFontSize(int32_t s) {
size = s;
}
@ -491,7 +496,7 @@ void GuiText::draw(CVideo *pVideo) {
color[3] = getAlpha();
blurGlowColor[3] = blurAlpha * getAlpha();
float finalRenderingScale = 2.0f * internalRenderingScale;
float finalRenderingScale = internalRenderingScale << 1;
int32_t newSize = size * getScale() * finalRenderingScale;
int32_t normal_size = size * getScale();