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Release resources if we error in the Bitmap constructor.

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This commit is contained in:
Wayward Heart 2024-05-19 03:10:01 -05:00
parent 8fcd6dd605
commit 65aab17dba
1 changed files with 52 additions and 24 deletions
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76
src/display/bitmap.cpp
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@ -509,28 +509,36 @@ Bitmap::Bitmap(const char *filename)
}
BitmapOpenHandler handler;
shState->fileSystem().openRead(handler, filename);
if (!handler.error.empty()) {
// Not loaded with SDL, but I want it to be caught with the same exception type
throw Exception(Exception::SDLError, "Error loading image '%s': %s", filename, handler.error.c_str());
}
else if (!handler.gif && !handler.surface) {
throw Exception(Exception::SDLError, "Error loading image '%s': %s",
filename, SDL_GetError());
try {
shState->fileSystem().openRead(handler, filename);
if (!handler.error.empty()) {
// Not loaded with SDL, but I want it to be caught with the same exception type
throw Exception(Exception::SDLError, "Error loading image '%s': %s", filename, handler.error.c_str());
}
else if (!handler.gif && !handler.surface) {
throw Exception(Exception::SDLError, "Error loading image '%s': %s",
filename, SDL_GetError());
}
} catch (const Exception &e) {
if (hiresBitmap)
delete hiresBitmap;
throw e;
}
if (handler.gif) {
p = new BitmapPrivate(this);
p->selfHires = hiresBitmap;
if (handler.gif->width >= (uint32_t)glState.caps.maxTexSize || handler.gif->height > (uint32_t)glState.caps.maxTexSize)
{
if (hiresBitmap)
delete hiresBitmap;
throw new Exception(Exception::MKXPError, "Animation too large (%ix%i, max %ix%i)",
handler.gif->width, handler.gif->height, glState.caps.maxTexSize, glState.caps.maxTexSize);
}
p = new BitmapPrivate(this);
p->selfHires = hiresBitmap;
if (handler.gif->frame_count == 1) {
TEXFBO texfbo;
try {
@ -542,6 +550,10 @@ Bitmap::Bitmap(const char *filename)
delete handler.gif;
delete handler.gif_data;
delete p;
if (hiresBitmap)
delete hiresBitmap;
throw e;
}
@ -579,8 +591,7 @@ Bitmap::Bitmap(const char *filename)
if (i > 0) {
int status = gif_decode_frame(handler.gif, i);
if (status != GIF_OK && status != GIF_WORKING) {
for (TEXFBO &frame : p->animation.frames)
shState->texPool().release(frame);
releaseResources();
gif_finalise(handler.gif);
delete handler.gif;
@ -597,8 +608,7 @@ Bitmap::Bitmap(const char *filename)
}
catch (const Exception &e)
{
for (TEXFBO &frame : p->animation.frames)
shState->texPool().release(frame);
releaseResources();
gif_finalise(handler.gif);
delete handler.gif;
@ -640,7 +650,14 @@ Bitmap::Bitmap(int width, int height, bool isHires)
hiresBitmap->setLores(this);
}
TEXFBO tex = shState->texPool().request(width, height);
TEXFBO tex;
try {
tex = shState->texPool().request(width, height);
} catch (const Exception &e) {
if (hiresBitmap)
delete hiresBitmap;
throw e;
}
p = new BitmapPrivate(this);
p->gl = tex;
@ -713,7 +730,12 @@ Bitmap::Bitmap(const Bitmap &other, int frame)
// TODO: Clean me up
if (!other.isAnimated() || frame >= -1) {
p->gl = shState->texPool().request(other.width(), other.height());
try {
p->gl = shState->texPool().request(other.width(), other.height());
} catch (const Exception &e) {
delete p;
throw e;
}
GLMeta::blitBegin(p->gl);
// Blit just the current frame of the other animated bitmap
@ -742,8 +764,7 @@ Bitmap::Bitmap(const Bitmap &other, int frame)
try {
newframe = shState->texPool().request(p->animation.width, p->animation.height);
} catch(const Exception &e) {
for (TEXFBO &f : p->animation.frames)
shState->texPool().release(f);
releaseResources();
throw e;
}
@ -770,10 +791,15 @@ Bitmap::Bitmap(TEXFBO &other)
}
p = new BitmapPrivate(this);
p->gl = shState->texPool().request(other.width, other.height);
p->selfHires = hiresBitmap;
try {
p->gl = shState->texPool().request(other.width, other.height);
} catch (const Exception &e) {
delete p;
throw e;
}
if (p->selfHires != nullptr) {
p->gl.selfHires = &p->selfHires->getGLTypes();
}
@ -831,6 +857,8 @@ void Bitmap::initFromSurface(SDL_Surface *imgSurf, Bitmap *hiresBitmap, bool for
}
catch (const Exception &e)
{
if (hiresBitmap)
delete hiresBitmap;
SDL_FreeSurface(imgSurf);
throw e;
}